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Code P0253 Symptoms, Causes and Solutions.

The P0253 trouble code is tied to Injection Pump Fuel Metering Control A Low (Cam Rotor Injector), indicating a low voltage condition in the fuel metering control of the injection pump, specifically related to the cam, rotor, or injector components. This code is commonly found in diesel engines with injection pump systems.


P0253 Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector)

Code symptoms P0253.

1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Decreased engine performance.
3. Issues with fuel delivery or injection.


This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.

Causes of the code P0253.

1. Low voltage condition in the fuel metering control of components in the injection pump, such as the cam, rotor, or injector.
2. Wiring issues in the fuel metering control circuit.
3. Faulty components in the injection pump.


Code Solutions P0253.

1. Address and rectify any low voltage conditions in the fuel metering control of the injection pump, specifically related to the cam, rotor, or injector components.
2. Inspect wiring in the fuel metering control circuit and repair or replace damaged sections.
3. If components in the injection pump are faulty, such as the cam, rotor, or injector, replace them.


Video of the Code P0253.

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